F-20 clutch shaft bearing

Anonymous-0

Well-known Member
Yet another question for the experts. What is the best way to
get this bearing removed from the end of the crank?
 
Thanks guys. I assume NAPA would probably have this puller. I'm sorry Mark, but I'm not following you. Are you forcing it out with grease?
 
(quoted from post at 14:09:57 03/28/14) Grease and a bolt inside inner race of bearing, keep packing and tapping.

How does that work?...... Crank is drilled to inside the crankcase, has a felt wick in it to oil the bearing, would end up with a bunch of grease and your wick inside the engine.

Only way to get it out is with an internal puller.
 
Harbor Freight has one:

http://www.harborfreight.com/blind-hole-bearing-puller-95987.html

image_14671.jpg
 
I have the set listed from Harbor Freight. While it is not Snap On quality, it works. I suggest getting one. If you don't have a Harbor Freight near you, they have a web site, and do ALOT of online sales.

IMHO.
 
Fill the space behind the bearing with grease, through the bearing hole. Get all air out by forcing it out with more grease. Use a bolt with tight tolerance in the bearing hole. Keep adding grease and tapping bolt. The bearing will come out.
 
(quoted from post at 14:51:08 03/30/14) Fill the space behind the bearing with grease, through the bearing hole. Get all air out by forcing it out with more grease. Use a bolt with tight tolerance in the bearing hole. Keep adding grease and tapping bolt. The bearing will come out.

I'll try explaining this again....
If you look behind the pilot bearing on a F20 crank, there is a rather large hole center drilled in the crank, it goes all the way through into the crankcase. There is a felt wick in this hole that brings oil from inside the crankcase to oil the pilot bearing, which is sealed on just the outside. That felt just swells up and stays in there. Nothing holds it. There is no way your method will work on a F series engine, all the pressure your trying to build will just force the wick into the crankcase and Curt will end up with a huge mess inside his engine and still need an internal puller. While it may be a great technique for other engines it does not apply here.

I am adding a pic of a F30 pilot bearing/ rear seal, I have the wick removed and if you look through the bearing you can see half of the oil hole,its big. You can also see the original bearing that is sealed on the outside and open on the inside.

13523934854_3d635d4e97_b.jpg
 
Well, not all engines are created equal, nor are they all designed the same. What works on one, may not work on another. I have gotten to the point in my life that I prefer using the right tool for the right job. By using the right tool, in the end you save time, and best case, you break even on the money part......BUT you have the tool for the next time.

I have also found that doing things on the cheap, ends up not being so cheap. Dad used to say, "if you wanna play, you gotta pay". I know many a farmer has saved a crop by using good old fashioned ingenuity, bailing wire, and a hammer. Yup, been there done that. However, most of us now are doing this as a hobby, and a few for work, but mostly for fun. Take the time, do it right.
 
I replaced the open bearing with a sealed pre-greased unit and pushed a rubber plug in the hole where the felt was located. No issues in 10 years.
 

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